Add test to check for agent (#6111)

Author: vepatel

.github/data/matrix-smoke-nap.json

@@ -55,6 +55,14 @@
       "nap_modules": "dos",
       "marker": "dos_learning",
       "platforms": "linux/amd64"
+    },
+    {
+      "label": "AGENT 1/1",
+      "image": "debian-plus-nap",
+      "type": "plus",
+      "nap_modules": "waf",
+      "marker": "agent",
+      "platforms": "linux/amd64"
     }
   ],
   "k8s": []

pyproject.toml

@@ -23,6 +23,7 @@ pythonpath = [
 addopts = "--tb=native -ra --disable-warnings -x -l --profile -v --strict-markers"
 log_cli = true
 markers =[
+    "agent",
     "annotations",
     "appprotect",
     "appprotect_integration",

tests/suite/utils/test_agent_app_protect.py

@@ -0,0 +1,50 @@
+import pytest
+from kubernetes.stream import stream
+from suite.utils.resources_utils import get_first_pod_name, wait_before_test
+
+
+@pytest.mark.skip_for_nginx_oss
+@pytest.mark.agent
+@pytest.mark.parametrize(
+    "crd_ingress_controller_with_ap",
+    [
+        {
+            "extra_args": [
+                "-enable-app-protect",
+                "-agent=true",
+                "-agent-instance-group=test-ic",
+            ]
+        }
+    ],
+    indirect=["crd_ingress_controller_with_ap"],
+)
+class TestAppProtectAgent:
+    def test_ap_agent(self, kube_apis, ingress_controller_prerequisites, crd_ingress_controller_with_ap):
+        pod_name = get_first_pod_name(kube_apis.v1, "nginx-ingress")
+        log = kube_apis.v1.read_namespaced_pod_log(pod_name, ingress_controller_prerequisites.namespace)
+
+        command = ["/usr/bin/nginx-agent", "-v"]
+        retries = 0
+        while retries <= 3:
+            wait_before_test()
+            try:
+                resp = stream(
+                    kube_apis.v1.connect_get_namespaced_pod_exec,
+                    pod_name,
+                    ingress_controller_prerequisites.namespace,
+                    command=command,
+                    stderr=True,
+                    stdin=False,
+                    stdout=True,
+                    tty=False,
+                )
+                break
+            except Exception as e:
+                print(f"Error: {e}")
+                retries += 1
+                if retries == 3:
+                    raise e
+        result_conf = str(resp)
+
+        assert f"Failed to get nginx-agent version: fork/exec /usr/bin/nginx-agent" not in log
+        assert "nginx-agent version " in result_conf